Neat links, stored for future reference.flatracer stuff is top notch. But you get what you pay for. With unfavorable exchange rates right now I think of everything the have as slightly overpriced. That's the bummer of ordering stuff from overseas.
have you looked at boxer cafe and boxer metal?
Welcome to
BOXERMETAL.com
boxer cafe will have the seats, boxer metal will have the rear sets and fender eliminator kits you will need. Both are US based and both are small shops willing to work with you on stuff.
MSD is a sponsor here. So rather than upset our evil overlords what I am gong to tell you is go have a look for reviews at adv rider in the airheads section. I have no expirence with the company and cannot speak to the quality or service, but there are people there who have bought seats and posted pics.
Haven't worked on Beemers since 1980's